Jefri Marzal and Hong Xie and Chun Che Fung, Vertex Configurations and Their Relationship on Orthogonal Pseudo-Polyhedra. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. May 2011, vol. 53(5). 415 - 422 [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/14765.